A 3103 H14 stucco aluminum sheet combines the strength of 3103 aluminum with a practical stucco embossed surface. The embossed pattern improves the appearance of the sheet, helps hide minor scratches and handling marks, and adds a textured finish for insulation cladding, roofing, ductwork, wall panels, and other industrial applications.
3103 is an aluminum-manganese alloy with good strength, corrosion resistance, weldability, and formability. The H14 temper provides a medium level of strain hardening, making the material stronger than the annealed condition while retaining useful forming performance. This makes 3103 H14 stucco aluminum sheet a practical choice when both surface appearance and mechanical performance are important.
This guide explains 3103 H14 aluminum properties, chemical composition, aluminum sheet specifications, stucco embossed surface characteristics, common thicknesses, applications, 3003 vs 3103 differences, and what buyers should include when requesting a quotation.
1. What Is 3103 H14 Stucco Aluminum Sheet?
3103 H14 stucco aluminum sheet is a flat aluminum sheet made from 3103 alloy and supplied in the H14 temper, followed by a stucco embossing process that creates a textured surface pattern.
3103 belongs to the 3xxx series of aluminum-manganese alloys. Manganese provides higher strength than commercially pure aluminum while maintaining good corrosion resistance and formability. The H14 temper means the material has been strain hardened to a controlled intermediate strength level.
The stucco embossed surface is produced by passing aluminum sheet through embossing rolls. The process creates a regular textured pattern across the surface. It is not the same product as an aluminum checker plate, which uses a raised diamond or bar pattern.
Specification | 3103 H14 Stucco Aluminum Sheet | Typical Requirement |
| Alloy | 3103 | Aluminum-manganese alloy |
| Temper | H14 | Strain hardened, intermediate hardness |
| Surface | Stucco embossed | Textured orange-peel type pattern |
| Surface condition | Embossed | Mill finish before embossing |
| Main advantages | Corrosion resistance, moderate strength, formability and attractive textured surface |
2. 3103 Aluminum Chemical Composition
The performance of 3103 aluminum comes mainly from its aluminum-manganese alloy system. Compared with pure aluminum, the addition of manganese increases strength while maintaining good corrosion resistance and workability.
| Element | Typical / Maximum Content (%) | Function |
| Al | Remainder | Base metal providing low density and natural corrosion protection |
| Mn | 0.9–1.5 | Main alloying element that increases strength |
| Mg | 0.3–0.8 | Contributes to strength and corrosion resistance |
| Fe | ≤0.7 | Controlled impurity |
| Si | ≤0.5 | Controlled alloying/impurity element |
| Cu | ≤0.1 | Limited to maintain corrosion resistance |
| Zn | ≤0.2 | Controlled minor element |
Exact chemical limits can vary slightly by standard and product specification. Buyers should always check the mill test certificate when a project requires a specific international standard.
3. 3103 H14 Aluminum Properties
The main advantage of 3103 H14 is its balance between strength and formability. H14 is a strain-hardened temper. It is harder and stronger than the annealed O condition but remains suitable for many fabrication processes.
| Property | 3103 H14 | Practical Benefit |
| Strength | Moderate | Suitable for general sheet fabrication |
| Formability | Good | Can be bent and formed for many applications |
| Corrosion resistance | Good | Suitable for indoor and many outdoor environments |
| Weldability | Good | Suitable for common aluminum welding processes |
| Surface appearance | Stucco embossed | Hides minor dents, scratches and surface marks |
For exact tensile strength, yield strength and elongation, the required thickness and applicable standard should be specified. Mechanical values for H14 material can vary with thickness.
4. Stucco Aluminum Sheet Surface and Finish
Stucco aluminum sheet has a textured surface produced by mechanical embossing. The pattern breaks up reflected light and gives the sheet a uniform decorative appearance.
Why use an embossed surface?
A flat aluminum sheet can show scratches, fingerprints and small dents easily. The textured surface of aluminum sheet stucco embossed products makes these minor marks less visible. This is useful for products that are handled frequently or installed in large visible areas.
Stucco embossing also gives the sheet a distinctive architectural appearance. Depending on the project, the surface can be supplied mill finish, anodized, painted or coated after suitable preparation.
Common applications include thermal insulation jacketing, building cladding, roofing details, HVAC ductwork, wall panels, equipment covers and decorative industrial surfaces.
5. 3103 H14 Aluminum Sheet Specifications
The correct specification depends on the application, forming process and installation method. Common purchasing specifications include alloy, temper, thickness, width, length and surface pattern.
| Item | Typical Options | Buyer Should Confirm |
| Alloy | 3103 | Required alloy standard |
| Temper | H14 | Whether H14 is required before or after embossing |
| Thickness | Custom according to application | Nominal thickness and embossing allowance |
| Width | Standard or customized | Finished width required |
| Length | Standard or cut-to-length | Required sheet length |
| Surface | Stucco embossed | Pattern and surface requirements |
When preparing an aluminum sheet datasheet for purchasing or engineering approval, it is useful to include the alloy, temper, dimensions, surface finish, mechanical properties, chemical composition and applicable standard in one document.
6. 3103 H14 vs 3003 H14 Aluminum Sheet
3103 and 3003 are both aluminum-manganese alloys, so they have similar general characteristics. However, their alloy compositions and specified properties are not identical. The right choice depends on the required strength, formability, corrosion resistance and availability.
| Property | 3103 H14 | 3003 H14 | General Difference |
| Alloy series | 3xxx | 3xxx | Both are Al-Mn alloys |
| Manganese | Higher specified Mn range | About 1.0–1.5% | 3103 has a different composition balance |
| Strength | Moderate | Moderate | Actual values depend on thickness and standard |
| Formability | Good | Good | Both suitable for sheet fabrication |
| Typical use | Industrial sheet, roofing, cladding, insulation | General sheet, cookware, heat exchangers | Application determines the better option |
If a customer specifically requires 3003 H14 aluminum sheet specifications, 3103 H14 should not be treated as an automatic substitute. Confirm the required standard, mechanical properties and application before changing the alloy.
For a project where the main requirement is a textured architectural or industrial surface combined with good formability and corrosion resistance, 3103 H14 can be a strong option.
7. Applications of 3103 H14 Stucco Aluminum Sheet
The combination of a corrosion-resistant 3xxx-series alloy, H14 temper and textured surface makes this material suitable for a wide range of industrial and architectural applications.
| Application | Why 3103 H14? | Typical Product Form |
| Insulation cladding | Light weight and textured surface | Stucco embossed sheet or coil |
| HVAC ductwork | Good corrosion resistance and workability | Cut-to-length sheet |
| Building cladding | Decorative textured appearance | Embossed sheet or coil |
| Roofing components | Good weathering resistance | Sheet and customized panels |
| Equipment covers | Light weight and scratch-masking surface | Customized embossed sheet |
8. How to Choose the Right 3103 H14 Stucco Aluminum Sheet
Start with the application rather than the thickness alone. The required strength, forming method, installation environment and surface appearance should all be considered.
1. Confirm the alloy and temper
Specify 3103 H14 clearly in the purchase order. If your project specification lists another alloy such as 3003, confirm equivalence before substitution.
2. Confirm the finished thickness
Embossing changes the surface profile of the sheet. Therefore, buyers should state whether the required thickness refers to the base metal thickness or the overall embossed thickness.
3. Confirm the embossing pattern
Stucco patterns can differ between suppliers. If appearance is important, request a sample or surface photograph before mass production.
4. Confirm the sheet dimensions
Provide exact width and length requirements. Customized cut-to-length sheets can reduce material waste when the application has fixed panel dimensions.
9. 3103 H14 Stucco Aluminum Sheet Price Factors
The price of 3103 H14 stucco aluminum sheet depends on more than the aluminum market price. Thickness, width, surface pattern, quantity, packaging and customized processing all affect the final quotation.
| Cost Factor | Effect on Price |
| Aluminum market price | The base aluminum price is a major component of the final quotation. |
| Thickness | Special or very thin gauges may require additional rolling and processing. |
| Embossing | Embossing adds processing cost compared with plain aluminum sheet. |
| Quantity | Larger orders normally provide better production efficiency and pricing. |
| Packaging | Export seaworthy packaging and special protection can affect the quotation. |
For an accurate quotation, provide alloy, temper, thickness, width, length, embossing requirement, quantity and destination. This allows the supplier to calculate both material and processing costs correctly.
10. Frequently Asked Questions About 3103 H14 Aluminum
What are the key differences between aluminum grades 3003 and 3103?
Both 3003 and 3103 are 3xxx-series aluminum-manganese alloys with good corrosion resistance and formability. Their chemical composition and specified mechanical properties are different. 3103 contains a higher specified manganese range and is commonly selected for industrial sheet applications where a balance of strength and formability is required.
What type of material is 3103 H14?
3103 H14 is a non-heat-treatable aluminum-manganese alloy in a strain-hardened temper. H14 indicates an intermediate level of strain hardening, providing more strength than the annealed condition while retaining good forming characteristics.
What is H14 aluminum?
H14 is a temper designation used for strain-hardened aluminum products. The material is partially cold worked to increase strength and hardness compared with the fully annealed O temper. Exact mechanical properties depend on the alloy and product thickness.
What is the chemical composition of aluminum Grade 3103?
3103 is primarily aluminum with manganese and magnesium as important alloying elements. A commonly referenced composition includes about 0.9–1.5% manganese and 0.3–0.8% magnesium, with controlled levels of iron, silicon, copper and zinc. The exact limits depend on the applicable material standard.
Is 3103 suitable for stucco embossed aluminum sheet?
Yes. 3103 provides a useful combination of formability, corrosion resistance and moderate strength for embossed sheet applications. It can be used for insulation cladding, architectural panels, equipment covers and other applications requiring a textured aluminum surface.
Is 3103 H14 the same as 3003 H14?
No. They are different alloy grades even though both belong to the 3xxx series and can have similar general characteristics. If a specification requires 3003 H14, 3103 H14 should only be substituted after confirming that its chemical and mechanical requirements are acceptable.
11. RFQ Checklist for 3103 H14 Stucco Aluminum Sheet
When requesting a quotation, send a complete specification to avoid repeated confirmation and incorrect material selection.
• Alloy: 3103
• Temper: H14
• Product: Stucco embossed aluminum sheet
• Thickness: required base thickness or finished embossed thickness
• Width: required width in mm
• Length: required sheet length in mm
• Surface: stucco embossing pattern and finish
• Quantity: pieces, kilograms or metric tons
• Packaging: standard export or customized packaging
• Delivery destination and preferred trade term: FOB, CIF or other
A clear RFQ helps the supplier provide the correct aluminium sheet specifications, price and delivery schedule.
12. Why Choose 3103 H14 Stucco Aluminum Sheet?
For buyers looking for a textured aluminum sheet with a good balance of strength, formability and corrosion resistance, 3103 H14 is a practical material option. The H14 temper provides useful mechanical strength, while the stucco embossed surface gives the product a distinctive appearance and helps reduce the visibility of minor surface damage.
Before ordering, always confirm the alloy, temper, base thickness, finished thickness, dimensions, embossing pattern and applicable standard. If you are comparing 3103 with 3003, the final selection should be based on the actual mechanical and processing requirements of your project.
Send us your required alloy, thickness, width, length, quantity and surface specification. We can provide a suitable 3103 H14 stucco aluminum sheet solution according to your application and purchasing requirements.
